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Installing BDU
6.6 Antenna System Conguration
The basic system consists of one antenna and one BDU. Separate purchase of standard items including
POTS phones, SIP phones, computers, etc. may be needed. A modem can be connected to the WAN port for
data at least-cost routing operations. Voice calls are always routed through the Iridium system unless using a
data call application.
For your satellite communication system to work properly, c
onnect the cables accord-
ing to the conguration below.
6.6.1 Data sessions and voice calls
The System provides up to 3 high-quality voice calls, multiple data sessions, Wi-Fi, and supports up to 18
extensions (including 2 analog phones and 16 sip phones).
The BDU communicates directly with SIP phones on any of the three LAN user ports (LAN 1, 2, 3, or 4). The
SIP phones register directly to the SIP server in the BDU.
Supported VoIP Phones
• Grandstream GXP16 Series: 1610, 1615, 1620, 1625, 1628, 1630
• Grandstream GXP17 Series: 1760, 1780
• Grandstream GXP21 Series: 2120, 2130, 2135, 2140, 2160, 2170
• Grandstream GXV32 Series: 3240, 3275
Figure 28: C700 System with Connected Devices
Input Range: 10.8~30 V DC
(Recommended Voltage: 24 V DC)
Vessel’s
Ground
Switch Router
WAN
LAN 2
(RJ45)
LAN 1
(RJ45)
LAN 3
(RJ45)
LAN 4
(RJ45)
Phone (RJ14)
Above Decks
Below Decks
BDU
ADU (Antenna)
Antenna
TX, RX, 48V DC Power
Wireless Devices
SIP
Phone
POTS
Phone
PCPC
PC PC
LTE Modem
Grounding Stud
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